In Fortran, the functions
MPI_TYPE_CREATE_HVECTOR, MPI_TYPE_CREATE_HINDEXED,
MPI_TYPE_CREATE_STRUCT, and MPI_GET_ADDRESS
accept arguments of type
INTEGER(KIND=MPI_ADDRESS_KIND), wherever arguments of type
MPI_Aint and MPI::Aint
are used in C and C++.
On Fortran 77 systems that do not support the Fortran 90
KIND notation, and where addresses are 64 bits whereas
default INTEGERs are 32 bits, these arguments will be of
type INTEGER*8.
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